Data points: 120
The readout for Claude Opus 4.6 and Claude Opus 4.8, before the detailed comparison sheet.
Decision read
Claude Opus 4.6
Claude Opus 4.6 currently has the stronger profile, with verified wins split 5 to 1.
Evidence depth
120 data points
Includes 8 benchmark rows, 6 audit samples, and 8 provider examples.
Selection signal
Start with Claude Opus 4.6
The charts below split 22 high-signal samples across speed, scores, and audit health.
Model compare Claude Opus 4.6 vs Claude Opus 4.8claude-opus-4-6-vs-claude-opus-4-8 | Model A Claude Opus 4.6 | Model B Claude Opus 4.8 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 5 wins | 1 wins |
| Where it leads | Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Claude Opus 4.6 | Claude Opus 4.8 |
|---|---|---|
| HLE | 18.6%#43 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Opus 4.6 | Claude Opus 4.8 |
|---|---|---|
Winner: Claude Opus 4.8 | Claude Opus 4.6 claude-opus-4-6 No audit yet | Claude Opus 4.8 claude-opus-4-8 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Opus 4.6 | Claude Opus 4.8 |
|---|---|---|
20 tests | Claude Opus 4.6 speed / latency 40 tok/s / 16141ms input / output No data |
This report only uses LMSpeed data for Claude Opus 4.6 and Claude Opus 4.8: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Opus 4.6 | Claude Opus 4.8 |
|---|---|---|
| When to choose each model | Claude Opus 4.6 Claude Opus 4.6 is stronger when you prioritize Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests. | Claude Opus 4.8 Claude Opus 4.8 is stronger when you prioritize First-token latency. |
TL;DR: Claude Opus 4.6 leads across 120 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Opus 4.6 vs Claude Opus 4.8 into nearby model comparisons with enough verified LMSpeed data.
| First-token latency |
| Model metadata | Claude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | Claude Opus 4.8 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | Anthropic | Anthropic |
| Context window | 1M tokens | 1M tokens |
| Max output | 128K tokens | 128K tokens |
| Released | Apr 2026 | May 2026 |
| Modalities | Input TextImageFile Output Text | Input TextImageFile Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | Claude | Claude |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-opus-4.6-fast | anthropic/claude-opus-4.8-fast |
| References | No data | No data |
| GPQA | 84.0%#38 | 92.0%#3 |
|---|
| SciCode | 45.7%#20 | 53.5%#7 |
|---|
| Time to first answer token | 1.44 s#34 | 17.66 s#69 |
|---|
| Input price | $5.00/M#41 | $5.00/M#41 |
|---|
| Output price | $25.00/M#47 | $25.00/M#47 |
|---|
| Time to first token | 1.44 s#57 | 17.66 s#93 |
|---|
| Blended price | $10.00/M#68 | $10.00/M#68 |
|---|
Audit score
100
Yuan APIWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 89 56100100100 | Claude Opus 4.8 claude-opus-4-8 No audit yet |
|---|
小水管 APIWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 84 728480100 | Claude Opus 4.8 claude-opus-4-8 Audit score 78 70728088 |
|---|
Leonhard APIWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 82 668478100 | Claude Opus 4.8 claude-opus-4.8 No audit yet |
|---|
钠 APIWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 80 668470100 | Claude Opus 4.8 claude-opus-4-8 Audit score 76 72727088 |
|---|
Omini ApiWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 78 70728088 | Claude Opus 4.8 claude-opus-4-8 No audit yet |
|---|
Claude Opus 4.8
speed / latency
N/A / N/A
input / output
No data
钠 API20 tests | Claude Opus 4.6 speed / latency 42 tok/s / 2282ms input / output No data | Claude Opus 4.8 speed / latency N/A / N/A input / output No data |
|---|
Rnglg2 API15 tests | Claude Opus 4.6 speed / latency 57 tok/s / 3926ms input / output No data | Claude Opus 4.8 speed / latency N/A / N/A input / output No data |
|---|
ModelPool10 tests | Claude Opus 4.6 speed / latency 84 tok/s / 3916ms input / output No data | Claude Opus 4.8 speed / latency N/A / N/A input / output No data |
|---|
Tokeness10 tests | Claude Opus 4.6 speed / latency 44 tok/s / 2803ms input / output No data | Claude Opus 4.8 speed / latency 46 tok/s / 2538ms input / output No data |
|---|
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $0/M / $0/M | Claude Opus 4.8 claude-opus-4-8 speed / latency No data input / output $0/M / $0/M |
Claude Opus 4.6 c/claude-opus-4-6-thinking speed / latency No data input / output $0.0017/M / $0.0017/M | Claude Opus 4.8 claude-opus-4-8 speed / latency No data input / output $5.00/M / $25.00/M |
Claude Opus 4.6 claude-opus-4-6-thinking speed / latency No data input / output $75.00/M / $375.00/M | Claude Opus 4.8 claude-opus-4-8 speed / latency No data input / output $0.030/M / $0.030/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
